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New Building Permit Filed for 4519 1st Ave in Sunset Park, Brooklyn

Permits have been filed to build a ten-story ten-unit building at 4519 1st Avenue, in Sunset Park, Brooklyn. The proposed 43-foot-tall building will have 4,409 square feet of residential space and 12,047 square feet of commerical space. The permit was filed on Mar 26, 2026 with 8 square feet of front yard and 30 square feet of back yard space.

The owner filed the permit through their representative New Yorl of Fang Architect.

The existing building is a Low-rise built in 1900 with 2 floors and 74,059 square feet of space.

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